Trail Running calendar near Builth Wells 2025-2026

The Greedy Run at Pengethley Manor on Saturday 17 January 2026 invites runners and walkers to choose from 5k up to Ultra on an offroad loop through vineyards and rolling hills. Race day has hot drinks, food, free parking and a finisher meda..

Tackle the Envious Run on 18 January 2026 at Pengethley Manor, a scenic offroad loop through vineyards with a hill each lap. Choose any distance from 5k to ultra or run virtually in January for a finishers medal.

The Cardiff Trail 10k is an exciting running event set against the stunning backdrop of Castell Coch. Scheduled for January 18, 2026, this newly introduced race offers participants a unique blend of competition and natural beauty, making it..

Take on the Riverbank Rollick a scenic 9.6 mile off road trail run along riverside paths, through woodland and a stream crossing. Earn a metal finisher medal that links to two other Thornbury Running Club races for a collectable series.

The Holly Challenge is a multi-distance race organized by How Hard Can It Be Events, held at Burroughs Bank, Lightmoor, Telford, TF4 3QS, within the Lightmoor Nature Reserve. Runners can choose 5K, 10K, half marathon, or marathon distances...

Take on Spice Up Your Run Wales, a relaxed 7 hour time challenge at scenic Dare Valley Country Park where you pick your distance from 3 km upwards. Enjoy countryside laps, snacks and medals for finishers, with fancy dress warmly encouraged.

Take on the epic Tour De Yr Wyddfa with 43.5 km and 2327 m ascent around the mountain on 24 January 2026, or opt for a shorter Llanberis to Pen y Pas half, relay or pair entry. Organized by Eryri Harriers for experienced mountain runners.

Run the rugged Shropshire Hills at Carding Mill Valley with The Icing on the Cake, choose a half loop or the full double lap. Waymarked National Trust trails, on course support, a finishers medal and a cake competition make it rewarding.

Event overview DirtRun Dudmaston 10k takes place on 1 February 2026 at Comer Woods, part of Dudmaston Estate. The event uses an off-road route around tracks and trails in Comer Woods and covers 10 km. All finishers receive a medal and finis..

The Westonbirt Arboretum Winter Night Race is a unique running event set in the stunning National Arboretum, featuring over 2,500 tree species. Participants can choose between 5km and 10km routes, which offer a beautiful and varied landscap..

Take on the Muddy Woody, a runnable 6 miles of forestry and single track with steep climbs and fast descents at a new Aconbury Court Farm venue on 8 February 2026. Expect chip timing, a bespoke Muddy T shirt and hot drinks after the race.

Choose from 5, 10, 15 or 20 mile options on undulating forest trails at Cannock Chase, ideal for spring marathon training. Enjoy scenic routes, free parking, bespoke medals and free race photos.

Enjoy a winter run through Westonbirt Arboretum's stunning tree collections on solid underfoot trail style paths. Distances of 5 km and 10 km suit all paces. Tickets are sold out.

Trails & Tarmac Backyard Ultra Winter sends runners on a scenic 4.17 mile loop in the Black Mountains, blending trail and tarmac with a touch of climbing. Complete a loop each hour; reach 32 miles for a medal and outlast everyone to win.

Explore the Severn banks on the Winter Railway Ultra, a scenic multi distance trail along a disused railway through Ironbridge to Bridgnorth. Choose from 9 to 37 miles and soak up industrial heritage on this unique February run.

Run two scenic laps around Kinver Edge and the Rock Houses for a challenging 9.5 km off road experience on 22 Feb 2026. Capped at 100 runners, this intimate race awards medals and finish goodies but entries are closed.

Run Bath's Two Tunnels, passing through Devonshire and Combe Down tunnels, with distances from 500 m up to 50 km plus relays. Support Sustrans and enjoy unique underground scenery and a lively festival atmosphere.

Ironwood Challenge is a scenic six mile trail through ancient woodland and hilly fields above Long Ashton, with mixed terrain and famously muddy sections. Chip timed, the race offers post run cake and supports Wellspring Counselling.

Castle 2 Castle Ultra is a sold out 32 miles run from Powis Estate in Welshpool to Caffi Wylfa in Chirk, blending fast flat paths, rolling footpaths and open views. Prizes await top finishers and everyone gets a finisher plate and goodies.

Take on Cannock Chase Forest on 28 Feb 2026 with a half marathon or 10K across marked pine and heathland trails, featuring steep climbs, fast descents and muddy technical terrain. Dog friendly with canicross places and finisher medals.